On 21 August, 2007, El Mundo, one of Spain’s largest dailies with a circulation of 330,000, carried a report taken from the 20 August edition of the Guardian.El Mundo described how the works of Harun Yahya represent a threat to the theory of evolution:

"... Reference is made to Oktar declaring in his books that the theory of evolution is a deception. The author seeks to demolish the theory of evolution, which involves anti-religious references by Darwin, by espousing religious creationism."